From 8 Minutes to 157 Hours: One Year of Deep-Sky Imaging success with the DWARF 3
M51 was the first target with the Dwarf 3. August 2025, Alt-Az mode, 8 minutes and 30 seconds of 15-second subs on a galaxy low in the summer sky. The telescope was…
Duo-Band Filter
Posts using or discussing the DWARF 3 built-in Duo-Band filter, which targets H-alpha at 656.3nm and OIII at 500.7nm for emission nebula imaging under light-polluted skies.
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Trifid Nebula M20: A Warm-Up Session Low in the Sagittarius Steam
I didn’t go into the July 16 session expecting a keeper. The Trifid nebula was more of a question than a plan: what does the DWARF 3 actually do with a target…
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Eagle Nebula M16 in EQ Mode: What 12 Minutes of Alt-Az Data Couldn’t Show
The Eagle Nebula (M16) first showed up in this blog back in January, as a cautionary example rather than a subject in its own right. The Alt-Az vs EQ mode comparison post…
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East and West Veil Nebula with the DWARF 3: Cygnus’s Glowing Lace, Ten Thousand Years in the Making
The Veil Nebula is light that left its source somewhere between 10,000 and 20,000 years ago, and it’s still arriving as some of the finest, most delicate filament structure in the sky.…
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DWARFLAB Draco: Reverse Engineering a Rumored Telescope From Six Independent Clues
A telescope named Draco showed up inside the DWARFLAB app with no announcement. On its own, that would be a curiosity. Lined up against a patent, a wide-angle spec, and a trade…
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Elephant’s Trunk Nebula (IC1396) with the DWARF 3: 5 Hours on a Star-Forming Globule
The Elephant’s Trunk Nebula, IC1396, is a dark cloud with dozens of new stars condensing inside it right now, lit along one edge by a neighboring star system bright enough to set…
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Crescent Nebula (NGC 6888) with the DWARF 3: 13 Hours on One of the Rarest Light Shows in the Sky
The Crescent Nebula, NGC 6888, is a shell of glowing gas being shaped right now by a star passing through one of the shortest, rarest stages in a massive star’s life, and…
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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…
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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…