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Contains:  M 15, NGC 7078
Getting plate-solving status, please wait...
Messier 15, 


Messier 15
Powered byPixInsight

Messier 15

Technical card

Imaging telescope or lens:CELESTRON EdgeHD 8

Imaging camera:QHYCCD QHY8L

Mount:Sky-Watcher AZ-EQ6 Synscan

Guiding telescope or lens:CELESTRON EdgeHD 8

Guiding cameras:

Focal reducers:

Software:Sequence Generator ProPixInsight PHD Guiding 2.5.0


Accessories:Starlight Xpress Lodestar x2Starlight Xpress AO Unit

Resolution: 3040x2024

Dates:July 25, 2016

Frames: 3x300" -15C bin 1x1

Integration: 0.2 hours

Darks: ~7

Flats: ~5

Flat darks: 0

Bias: ~50

Avg. Moon age: 20.58 days

Avg. Moon phase: 66.37%

Bortle Dark-Sky Scale: None

Mean SQM: 19.80

Mean FWHM: 2.20

Temperature: None

Basic astrometry details job: 1376831

RA center: 21h 29' 58"

DEC center: +12° 10' 12"

Pixel scale: 0.759 arcsec/pixel

Orientation: 265.244 degrees

Field radius: 0.385 degrees

Locations: Duc, Prayssas, Lot et Garonne, France


One of the "quick" exposure of this summer, only " subs of 5 min, with the half moon high in the sky ...

Pre-processing done in Pixinsight :
- overscan area offset correction
- bias correction
- dark correction using 7 x 1800 s darks
- flat correction
- hot pixel correction
- debayer
- registration
- stack
Processing done in Pixinsight :
- backgroung color neutralisation
- color calibration using stars
- residual sky background substraction
- non linear image creation
- green neutral
- color saturation boost masked
-TGV denoise
Final image :
- jpeg calibration done in Mac Photo (levels adjust and color boost)



License: None (All rights reserved)

Sky plot

Sky plot


Messier 15,