| Classification: |
Barred Spiral Galaxy NGC 4236, Caldwell 3, UGC 7306, PGC 39346 |
| Constellation: |
Draco (Dra) |
| Object Location: |
Ra 12h 12m 49s Dec +69° 20’21” (current) |
| Size & Distance: |
21.9.0 x 7.2 Mag 9.6 Apx 12 Million light-years. |
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| Date & Location: |
02-25-2022 Little Blair Valley, CA. |
| Exposure: |
LRGB 250, 30, 30, 30, L-5x8.33, RGB 3x10 ea. (bin 1x1) |
| Optics: |
Telescope Engineering Company APO180FL w/TEC FF@ f/7.2 / FLI-Atlas focuser / F/L 1296mm. |
| Mount: |
Astro-Physics 1200 GTOCP4 / ATS 10x36 pier. |
| Camera: |
FLI-MLx694 @-25c / FLI CFW5-7 / Guided by SBIG ST-I / w OAG. |
| Filters: |
Astrodon G2 LRGB |
| Software: |
MaxImDL 6.11, CCDStack, Photoshop CC, |
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| Notes: |
Sky conditions: Average seeing, No wind, Temp low 20’s
Image Field of view is 30x23.3 arcmin. Image Scale 0.71 arcsec/pix
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