Hα| 0bject | NGC 7822 Emission nebula in Cepheus (Sh2-171, Ced 214) |
| Date | August 18 - September 20, 2020 |
| Exposure | LHαRGB 430:120:120:120:140 (15.5 hours) |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS6, Astronomy Tools, Topaz DeNoiseAI |
| Comments | Moderate seeing; acquired with CCD Commander from Animas, NM |
|
0bject |
CED 214 (NGC 7822) Emission nebulae in Cassiopeia |
| Date | October 28 - November 5, 2009 |
| Exposure | SIIHαOIII 180:360:360 (unbinned) |
| Camera | STL11000M with Baader narror band filters |
| Telescope | ASA 10N f/3.7 on Losmandy G11 with Gemini |
| Guiding | External guide head and mini Borg 50mm |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator, FITS Liberator |
| Comments | Nearly full moon each night; Berk 59 cluster at top right |
|
0bject |
NGC 7822 & Sh2-171 Emission nebulae in Cassiopeia |
| Date | November 16 & 17, 2007 |
| Exposure | HαRGB 120:9:12:27 (unbinned; Hα used for luminace & combined with Red) |
| Camera | STL11000M with Astronomik filters |
| Telescope | Takahahi Sky90 f/4.5 on Losmandy G11 with Gemini |
| Guiding | External guide head and E-finder |
| Processing | MaximDL, PhotoshopCS2, AstroActions, FITS Liberator |
| Comments | Moderate seeing; first quarter moon in sky; plenty of light pollution gradients |
Click HERE for the Ha image
|
0bject |
NGC 7822 and CED 214 |
| Date | 7/31/2005 |
| Exposure | HaRGB 90:15:15:20 (Ha + R 50/50; Ha = Lum) |
| Camera | SXV-H9 with Schuler filters on Losmandy G11 w/Gemini |
| Telescope | Takahashi Sky90 f/4.5 |
| Guiding | ST-4 |
| Processing | MaximDL, Photoshop CS, FITS Liberator |
| Comments | Mild and clear with good transparency |