Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7822  ·  NGC7822  ·  Sh2-171
Getting plate-solving status, please wait...
Cederblad 214 - SH2-171 - NGC 7822 (SHO with 100 hrs integration time), 


            Frank Breslawski
Powered byPixInsight

Cederblad 214 - SH2-171 - NGC 7822 (SHO with 100 hrs integration time)

Imaging telescopes or lenses: Takahashi Epsilon 130D

Imaging cameras: Astrel Instruments AST8300

Mounts: 10 Micron GM3000 HPS

Software: PixInsight 1.8  ·  Zipproth GmbH Straton 2.0

Filters: Astronomik H-Alpha 6nm CCD

Dates:July 29, 2020July 30, 2020July 31, 2020Aug. 4, 2020Aug. 5, 2020Aug. 6, 2020Aug. 7, 2020Aug. 8, 2020Aug. 10, 2020Aug. 18, 2020Aug. 28, 2020

Frames:Astronomik H-Alpha 6nm CCD: 264x600" -20C bin 1x1

Integration: 44.0 hours

Darks: ~50

Flats: ~10

Bias: ~200

Avg. Moon age: 16.28 days

Avg. Moon phase: 75.83%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 3935397

RA center: 0h 3' 6"

DEC center: +67° 18' 42"

Pixel scale: 2.598 arcsec/pixel

Orientation: 90.502 degrees

Field radius: 1.115 degrees

Resolution: 1950x2398

Locations: Home, Bergisches Land, Germany

Data source: Mix of multiple source


Today I would like to present you the result of my second astro cooperation. Florian Pieper asked me in early spring of this year if I would like to do a joint project. We quickly agreed that we wanted to try to gather at least 100 hours in narrow band for Cederblad 214.

This emission nebula is characterized by an unbelievable richness of structures, globules and dark nebula components. So it should become a deep image that shows many details. :-) Since we both own a very fast telescope with the Takahashi Epsilon and with our cameras we generate almost the same field of view, the decision was made. We spent the time from the end of July to mid of September to take all the data. Flo contributed the data for OIII and SII. The H-Alpha data came from me. A long time passed away for a single image...

So we were even more pleased to see the first interim results and afterwards of course the final raw images in SHO. The processing was a real pleasure for me! I can't remember ever having almost completely abandoned the denoising of my astro images. Here the quality was so good that this was effortlessly possible. :-)

Furthermore, this is my first image using my new mount (a 10 Micron GM3000 HPS). What a magnificent piece of technology! Precision, no backlash and no need for autoguiding. This is fun!

In the technical card I could only store the information of the exposures I made. Here is the complete overview:

* Image Acquisition (Florian Pieper)
SkyWatcher EQ6-AZ + Epsilon 130D + Asi1600mm-c + Astrodon SII,OIII 3mn

08/05 SII 51x300s
08/06 SII 53x300s
08/07 SII 56x300s
08/10 SII 58x300s
08/11 SII 60x300s
08/12 SII 57x300s
08/14 OIII 44x300s
08/15 OIII 50x300s
08/16 OIII 66x300s
09/02 OIII 77x300s
09/15 OIII 29x300s
09/16 OIII 75x300s

Exposure time 56.3 hrs

* Image Acquisition (Frank Breslawski)
10 Micron GM3000 HPS + Epsilon 130D + Astrel 8300 + Astronomik Ha 6nm

07/29 Ha 24x600s
07/30 Ha 29x600s
07/31 Ha 22x600s
08/04 Ha 31x600s
08/05 Ha 31x600s
08/06 Ha 30x600s
08/07 Ha 28x600s
08/08 Ha 11x600s
08/10 Ha 18x600s
08/18 Ha 31x600s
08/28 Ha 9x600s

Exposure time 44.0 hrs

* Overall Integration Time
Total: 100.3 hrs
H-Alpha: 44.0 hrs
OIII: 28.4 hrs
SII: 27.9 hrs

Here you can also find Flo's version: Cederblad 214-NGC 7822 (100h Epsilon) SHO

And last but not least some information about the shown area (Wikipedia):
This area is a young star forming complex in the constellation of Cepheus. The complex encompasses the emission region designated Sharpless 171, and the young cluster of stars named Berkeley 59. The complex is believed to be some 800–1,000 pc distant, with the younger components aged no more than a few million years. The complex also includes one of the hottest stars discovered within 1 kpc of the Sun, namely BD+66 1673, which is an eclipsing binary system consisting of an O5V that exhibits a surface temperature of nearly 45,000 K and a luminosity about 100,000 times that of the Sun. The star is one of the primary sources illuminating the nebula and shaping the complex's famed pillars of creation-type formations, the elephant trunks.

Hope you enjoy our little project! :-) Really looking forward to something like that again in future! :-)



  • Final
    Cederblad 214 - SH2-171 - NGC 7822 (SHO with 100 hrs integration time), 


            Frank Breslawski
    Cederblad 214 - SH2-171 - NGC 7822 (SHO with 100 hrs integration time), 


            Frank Breslawski
    Cederblad 214 - SH2-171 - NGC 7822 (SHO with 100 hrs integration time), 


            Frank Breslawski


Description: full field of view

Uploaded: ...


Description: detailed close-up

Uploaded: ...

Sky plot

Sky plot


Cederblad 214 - SH2-171 - NGC 7822 (SHO with 100 hrs integration time), 


            Frank Breslawski