Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  9 Cas  ·  PGC 2796252  ·  PGC 2796279  ·  PK116+00.1  ·  The star 9Cas
Getting plate-solving status, please wait...
The Medulla Nebula CTB1 (CTB 1, Abell 85), 



    
        

            Jeffrey K Lovelace

The Medulla Nebula CTB1 (CTB 1, Abell 85)

Getting plate-solving status, please wait...
The Medulla Nebula CTB1 (CTB 1, Abell 85), 



    
        

            Jeffrey K Lovelace

The Medulla Nebula CTB1 (CTB 1, Abell 85)

Acquisition details

Frames:
Astrodon B 65mm square E Series: 24×300(2h) bin 1×1
Astrodon G 65mm square E Series: 24×300(2h) bin 1×1
Astrodon L 65mm square E Series: 24×300(2h)
Astrodon R 65mm square E Series: 24×300(2h) bin 1×1
FLI/Chroma Hα 65mm square: 17×1800(8h 30′) -25°C bin 1×1
FLI/Chroma O-III 65mm square: 12×1200(4h) -25°C bin 1×1
FLI/Chroma S-II 65mm square: 11×1200(3h 40′) -25°C bin 1×1
Integration:
24h 10′
Bortle Dark-Sky Scale:
1.00
Mean SQM:
22.00

RA center: 23h59m35s.89

DEC center: +62°3032.5

Pixel scale: 4.857 arcsec/pixel

Orientation: 154.998 degrees

Field radius: 1.296 degrees

More info:Open 

Resolution: 1500x1200

File size: 1.5 MB

Data source: Own remote observatory

Remote source: Sierra Remote Observatories

Description

The Supernova remnant CTB1 (Abell 85) swoops through Cassiopeia.

All Lights were acquired October 1st through December 8th 2017.

LRGBSHO 1x1 Flats were taken October 5th and November 2nd 2017.

Biases 1x1 were taken October 7th and November 2nd 2017.

Darks 1x1 were taken October 7th 2017.

Original Pixel Scale: 1.13 (posted image is down-scaled)

Narrowband color: HSO

Stars: RGB

Comments

Sky plot

Sky plot

Histogram

The Medulla Nebula CTB1 (CTB 1, Abell 85), 



    
        

            Jeffrey K Lovelace