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| Classification: |
Abell 85, Supernova remnant (SNR) CTB 1 / LBN 576 |
| Constellation: |
Cassiopeia (Cas) |
| Object Location: |
Ra 23h 58m 53s Dec +62° 30’28° (current) |
| Size & Distance: |
Apx. 35 x 35 Apx 9800 light years. |
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| Date & Location: |
08-30-2024 Lockwood Observatory, Descanso,CA. |
| Exposure: |
HaO3RGB 330-330-10-10-10, Ha&O3 22x15ea, RGB 5x2 ea. |
| Optics: |
TEC APO110FL w/ TEC FF @ f/5.74, 631mm, FLI-Atlas focuser. Takahashi FSQ106-EDX4 / 645 reducer @ f3.6 385mm / / FLI-Atlas focuser |
| Mount: |
Astro-Physics 1100GTO-AE CP4 |
| Camera: |
Moravian C3-61000 Pro and Moravian C3-26000ECPro, Guided by ZWO 174mini / w OAG. |
| Filters: |
Astrodon & Chroma 50mm LRGB, 3nm Ha, O3 |
| Software: |
MaxImDL 6.11, CCDStack, Photoshop CC, Topaz, PI. |
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| Notes: |
This was a side by side setup.
The TEC APO110FL @ f/5.74, 631mm used the Moravian C3-61000 Pro bin 2x2 for the Ha subs.
The Takahashi FSQ106-EDX4 / 645 reducer @ f3.6 385mm used the Moravian C3-26000EC Pro bin 1x1 for O3 & RGB subs.
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Sky conditions: Above average seeing, no wind, Temp 68-71°
Image Field of view is 126x192 arcmin. Image Scale 2.46 & 1.23 arcsec/pix
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Abell 85 supernova remnant is about 10,000 years old and is about 9800 light-years distant, and about 100 light-years in diameter. Originally catalogued as Abell 85, a planetary nebula. It was soon determined to be a supernova remnant. It’s also recognized as a radio source and has a (CTB 1) designation. Also in the field is PK116+00.1, NGC7788, Sh2-168 and 169.
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