Description

Sharpless-171 (Sh2-171), also referred to as Cederblad 214 is a relatively faint emission nebula located in the constellation Cepheus.
The distance is about 2.700 light years.

The dark nebula at the top of the image is known as NGC7822 and the young cluster of stars is named Berkeley 59.

Other versions

Previous/older images:

Image data

Object info
Name SH2-171
Type Emission nebula
Constellation Cepheus
Right ascension 00h 01m 44s
Declination +67° 02′ 33″
Distance 2.700 ly
Other designations Cederblad 214
Image info
Image date Oct. 10, 2010
Light frames 27x 6 min. UHC-S unbinned
Total integration 2h 42m
Dark frames 10x
Flat frames 10x p. filter unbinned. Created with an A3 size Posterpoweruk flatfield panel
Bias frames 10x
Software used CCDOps, CCDSoft, ImagesPlus, PixInsight LE, Photoshop CS2
Processing CCDOPS was used for focussing. Image Acquisition was done using CCDSoft.
All separate frames were calibrated, aligned and stacked in ImagesPlus 2.8.
Photoshop CS2 was used for further processing – curves adjustment, levels adjustment, etc.
Noel Carboni’s toolset was used as well (Local Contrast Enhancement, Deep Space Noise Reduction)
Equipment info
Telescope TMB/LOMO 80/480
Corrector Televue 2″ TRF 2008 flattener/reducer (FL: 384mm f/4.8)
Mount Losmandy G-11
Camera SBIG ST-8300M
Guide camera Atik 1HS Mono
Guide scope Vixen VMC110L
Autoguide software Guidemaster
Filters Baader 2″ UHC-S
Location Landgraaf, The Netherlands
Image comments

Focus not entirely correct.