Photography of Terry Danks

M77 and NGC1055 in Cetus

Imaged from Nova Scotia, Winter and Fall 2018

Wikipedia Link for NGC 1055

Link to full size image. 3616 x 3561px-712 KB

M77, face-on at lower left and NGC1055, edge-on at upper right. The prominent blue and red foreground stars are HD 16835(mag. 7.6) and HD 16786(mag. 6.8) respectively. These galaxies are separated on the sky by one half of a degree, about the size of the full moon. To see details within each galaxy, click on the link to the full size image.

Two Panel LRGB Combination

Data

Altitude at culmination 45°

Airmass Value (sec z) 1.4

Taking Camera SBIG STL-11002XM Nova Scotia winter and fall, 2018, ~mag 6.7 - @-20C

Imaging OTA AG Optics iDK 14.5"

Equivalent focal length and ratio 2465mm f/6.7

Mount Astro-Physics 1600GTO

Guiding PHD2/ONAG-XM/Lodestar X2

2 Panel Mosaic-Total Integration Time per panel 11hrs 30mins Each panel - L-24X10min, R15x10 min, G-15x10 min, B15x10 min-Astrodon Gen 2 I series Filters. Binned 1X1

Acquisition Main Sequence Software-Sequence Generator Pro

Calibration and Stacking Darks, Flats and Bias - Stacked and calibrated with PixInsight

Reprocessed Jan 2023 PixInsight, Affinity Photo v.2.03 and Bob Franke's CCDBand-Aid

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Data
Altitude at culmination 45°
Airmass Value (sec z) 1.4
Taking Camera SBIG STL-11002XM	Nova Scotia winter and fall, 2018, ~mag 6.7 - @-20C
Imaging OTA	AG Optics iDK 14.5"
Equivalent focal length and ratio	2465mm f/6.7
Mount	Astro-Physics 1600GTO
Guiding	PHD2/ONAG-XM/Lodestar X2
2 Panel Mosaic-Total Integration Time per panel 11hrs 30mins	Each panel - L-24X10min, R15x10 min, G-15x10 min, B15x10 min-Astrodon Gen 2 I series Filters. Binned 1X1
Acquisition	Main Sequence Software-Sequence Generator Pro
Calibration and Stacking	Darks, Flats and Bias - Stacked and calibrated with PixInsight
Reprocessed Jan 2023	PixInsight, Affinity Photo v.2.03 and Bob Franke's CCDBand-Aid