DWARF 3 Filter Test: 7nm vs 30nm on the Eastern Veil Nebula
We measured a front mounted 7nm filter against the DWARF 3 built in 30nm filter on the Eastern Veil Nebula, matched regions, same night. Here is what the SNR numbers actually showed.
Processing
Workflows for processing DWARF 3 data from raw stack to finished image. Covers DWARF Stellar Studio mega stack, Siril FITS integration, Snapseed finishing, histogram stretching, noise reduction, and the differences between processing galaxy and nebula data.
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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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DWARF 3 Squid Nebula (Ou4): Why the Duo-Band Filter Can’t Detect It
I had 21.5 hours of data on the Squid Nebula and a decision to make: keep shooting it, or give up and point the scope somewhere else. Ou4 is one of the…
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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…
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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…
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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…