dwarfastro.com

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DWARF Astro is a technical astrophotography resource built around the DWARFLab DWARF 3 smart telescope. The site combines real imaging sessions, exact settings, calibration guidance, and processing workflows to help you get better results on galaxies, nebulae, and the Sun.

The DWARF 3

What is Astrophotography?

Settings and Calibration Guide

Deep Sky Sessions

Featured Session

M81, 15 Hours, and a Hidden Galaxy

This 15-hour DWARF 3 imaging project on M81 and M82 compares short versus 60-second sub-exposures and documents the detection of background galaxy UGC 5210 from Bortle 6 skies

Learn more

Latest Guides and Session

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  Whale Galaxy (NGC 4631 / Caldwell 32) with the Pup and the Hockey Stick
  The plan for the week was the Squid, but the Squid needs darkness and it needs hours, more hours… Read more: Whale Galaxy (NGC 4631 / Caldwell 32) with the Pup and the Hockey Stick
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  Leo Triplet with the DWARF 3: 4h 38m First Pass from Bortle 6
  A one-night DWARF 3 session on the Leo Triplet from Bortle 6 skies. 278 subs at 60 seconds, gain 50, Astro filter, 4h 38m stacked. All three galaxies resolved, the NGC 3628 dust lane survived, and the target earned a longer return visit next galaxy season.
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  Whirlpool Galaxy M51 with the DWARF 3: 8h 14m Across Three Sessions
  The first time I pointed the DWARF 3 at M51 was August 14th last year. Eight and a half… Read more: Whirlpool Galaxy M51 with the DWARF 3: 8h 14m Across Three Sessions
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  One Bad Dark Frame Almost Ruined My M13 Hercules Cluster
  At 4:22 in the morning my phone showed me something I couldn’t explain in my M13 Hercules Cluster image.… Read more: One Bad Dark Frame Almost Ruined My M13 Hercules Cluster
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  Maximize Sharpness with DWARF 3 Techniques
  What You Will Learn In this post I cover why DWARF 3 deep-sky images can look soft when zoomed… Read more: Maximize Sharpness with DWARF 3 Techniques
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  Borrowed Light: Capturing M78 Nebula with the DWARF 3
  What You Will Learn In this post I share my February 2026 DWARF 3 image of M78 nebula (aka… Read more: Borrowed Light: Capturing M78 Nebula with the DWARF 3
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  I Pointed an iPhone 17 Pro at the Moon Through a NexStar 8SE. Here Is What Came Back.
  Most people assume that serious lunar or moon photography requires a dedicated astronomy camera, a laptop running capture software,… Read more: I Pointed an iPhone 17 Pro at the Moon Through a NexStar 8SE. Here Is What Came Back.
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  M63 Sunflower Galaxy with the Dwarf 3: 4h 50m from Bortle 6
  A 4 hour 50 minute integration of M63, the Sunflower Galaxy, from a Bortle 6 backyard using the DwarfLab Dwarf 3 in EQ mode with Astro filter and temperature-matched dark frames.
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  Helix Nebula NGC 7293 with the DWARF 3
  A 1 hour 46 minute DWARF 3 session on the Helix Nebula (NGC 7293) using the Duo-Band filter under Bortle 6 skies. Documents the altitude constraint of imaging a southern target from New England, and why sky geometry limits total integration time as much as any other factor.
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  Heart Nebula IC 1805 with the DWARF 3
  A 3 hour 52 minute DWARF 3 session on the Heart Nebula (IC 1805) in Cassiopeia using the Duo-Band filter under Bortle 6 skies. Documents the challenge of imaging a large emission nebula, gradient control across a wide field, and what consistent settings contribute to the result.
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  Horsehead Nebula and Flame Nebula with the DWARF 3
  A 2 hour 54 minute DWARF 3 session on the Horsehead Nebula (B33) and Flame Nebula (NGC 2024) using the Duo-Band filter under Bortle 6 skies. Documents the challenge of imaging a dark nebula silhouetted against hydrogen-alpha emission and what contrast-driven capture requires.
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  Star Trails with the Dwarf 3: First Test of Star Trail Mode (720 × 30s)
  DwarfLab recently added a dedicated Star Trail Mode to the Dwarf 3 app. This is my first test of it. 720 frames at 30 seconds each, six hours total, stacked in real time by the app with no post-session processing required.
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  M101 Pinwheel Galaxy: 6 Hours on a Face-On Spiral with the DWARF 3
  A single-session DWARF 3 imaging project on M101, the Pinwheel Galaxy in Ursa Major. 6 hours and 18 minutes of total integration at 60-second sub-exposures, gain 50, Astro filter, Bortle 6. Documents the return to 60-second subs from 120-second testing, half moon conditions, and the standard processing workflow through Stellar Studio and Snapseed.
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  Astrophotography Insights: 15 Hours on M106 and Its Companions
  A three-session DWARF 3 imaging project on M106, a Seyfert galaxy in Canes Venatici. 15 hours and 31 minutes of total integration, four companion galaxies in the field including NGC 4226 at 340 to 394 million light-years, and a documented workflow from on-device mega stack through Stellar Studio and Snapseed.
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  Processing the Pleiades on the DWARF 3: Why I Add a Snapseed Step After Stellar Studio
  A 30-minute M45 Pleiades capture on the DWARF 3 reveals why running denoise, star correction, and Auto in Stellar Studio then finishing in Snapseed with Adjust, Dehaze, Curves, and White Balance produces cleaner results.
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  M81, 15 Hours, and a Hidden Galaxy: What Longer Exposures Taught Me on the DWARF 3
  A 15-hour DWARF 3 imaging project on M81 and M82 comparing short versus 60-second sub-exposures under Bortle 6 skies, with background galaxy UGC 5210 detected at magnitude 14.88.
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  Rosette Nebula (C49) from Monaco — DWARF 3 EQ Duo-Band (60s, Gain 90)
  The Rosette Nebula from Monaco with the DWARF 3 in EQ mode using the Duo-Band filter. 210 captured frames became 141 stacked frames for 2h 21m of integration from one of the most light-polluted imaging locations attempted on this site.
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  White-Light Solar Imaging with the DWARF 3: Observing and Measuring a Large Sunspot Group
  A documented DWARF 3 solar imaging session from December 3rd, 2025. Covers what white-light solar imaging can and cannot show, how sunspot size was measured using DraftSight, and what the observation can and cannot tell us.
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  DWARF 3 Guided EQ Mode: How to Capture 60-Second Exposures (M42 Orion Nebula)
  To capture 60-second exposures with the DWARF 3, you must use Guided EQ Mode. By aligning the telescope with the Earth’s celestial pole, you eliminate field rotation and quadruple your light collection compared to standard 15-second Alt-Az tracking.
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  Capturing M42 Orion Nebula with DWARF 3: Cold Weather and Long Integration Tips
  Capturing the Orion Nebula (M42) with the DWARF 3 requires a balance between preserving the bright Trapezium core and revealing the faint outer gas clouds. In cold weather (approx. 20°F), the DWARF 3 sensor noise is significantly reduced, allowing for cleaner high-gain stacks.
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  How to Get Better Results with DWARF 3: Time, Thermal Stability, and Calibration
  Getting better results from the DWARF 3 requires three things: time, thermal stability, and matched calibration frames. This guide documents the variables that determine data quality and how to control them.
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  Why DWARF 3 Images Look Blurry or Noisy: Understanding Signal vs. Noise
  First images from the DWARF 3 often appear noisy or faint because they are raw data measurements rather than finished photographs. To improve image quality, you must manage the signal-to-noise ratio through correct exposure settings, gain balance, and long total integration times.
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  DWARF 3 Smart Telescope: Is It a Toy or a Real Astrophotography Tool?
  The DWARF 3 smart telescope is a compact, uncooled CMOS instrument designed for automated astrophotography. Its performance is governed by aperture size, sensor thermal noise, and signal-to-noise ratio — not automation.