CTB1: SNR in Cassiopeia
CTB1: SNR in Cassiopeia |
|
|
|
|
|||
|
CTB 1 |
|||
|
|
|||
Object Data |
|||
| Object type: | Supernova Remnant | ||
| Size: | 98 light years in diameter | ||
| Magnitude: | faint | ||
| Constellation: | Cassiopeia | ||
| Distance: | 9780 ly | ||
| Notes: |
Cataloged by George Abell as a planetary
nebula, Abell 85 is now considerd to be a supernova remnant from a star
explosion 10,000 years ago. Cataloged as the first entry in the Caltech
B- list of SNRs. Also cataloged as LBN 576. |
||
|
|
|||
Exposure Data |
|||
| Date: | 8/30 and 8/31/24 | ||
| Location: | Lockwood Observatories, Descanso, CA | ||
| Telescope: | Takahashi FSQ 106N 530mm at f/5 | ||
| Camera: | ZWO ASI294mm Pro with Antlia Ha and OIII (3nm) and RGB filters; ZWO OAG with STi guider. 2x2 binned | ||
| Mount: | Losmandy GM8; Gemini 1 | ||
| Exposure times: | Ha: 15x15min (225min); OIII: 10 x 15 min (150min); RGB: 8 x 5 min (40 min) each. | ||
| Exposure time total: | 8 hrs 15 min | ||
| Notes: |
Image Scale: 1.79 "/pixel FOV: 110.5' x 78.4' (slight cropping) |
||
|
|
|||