mfoylan
Carbon Star - RR Herculis
Star Details…
Magnitude Range: +7.8 to +12.5
Semi-regular pulsating Star
Period of Variability: ~240 days
R.A. & DEC: 16 04 13 +50 29 56
Spectral Type: C5 – C8 (N0e)
Temperature: ~3000k
Image Details...
R-Bessell Photometric Filter: 20 seconds x5 exposures, flat fielded, aligned and median combined
G-Bessell Photometric Filter: 39 seconds x5 exposures, flat fielded, aligned and median combined
B-Bessell Photometric Filter: 86 seconds x5 exposures, flat fielded, aligned and median combined
B-V-R folder images were then aligned and stacked to give Master B, V and R images; these were then colour combined in CCDSoft v5
CCD Operating Temperature: -33 Degrees Centigrade
Field of View: 46 x 37 arcmins
Pixel Array: 1280 x 1024
Pixel Size: 16um x 16 um
Plate Scale: 2.17 arcsec/pixel
0.2-m SCT+SBIG STL 1301E CCD
f/ratio: 7.6
Date: 17th March 2016
Carbon Star - RR Herculis
Star Details…
Magnitude Range: +7.8 to +12.5
Semi-regular pulsating Star
Period of Variability: ~240 days
R.A. & DEC: 16 04 13 +50 29 56
Spectral Type: C5 – C8 (N0e)
Temperature: ~3000k
Image Details...
R-Bessell Photometric Filter: 20 seconds x5 exposures, flat fielded, aligned and median combined
G-Bessell Photometric Filter: 39 seconds x5 exposures, flat fielded, aligned and median combined
B-Bessell Photometric Filter: 86 seconds x5 exposures, flat fielded, aligned and median combined
B-V-R folder images were then aligned and stacked to give Master B, V and R images; these were then colour combined in CCDSoft v5
CCD Operating Temperature: -33 Degrees Centigrade
Field of View: 46 x 37 arcmins
Pixel Array: 1280 x 1024
Pixel Size: 16um x 16 um
Plate Scale: 2.17 arcsec/pixel
0.2-m SCT+SBIG STL 1301E CCD
f/ratio: 7.6
Date: 17th March 2016