Hemisphere:  Northern
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LDN1251, 



    
        

            Sebastiano Recupero
LDN1251
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LDN1251

Technical card

Imaging telescopes or lenses: Takahashi FSQ-106EDXIII

Imaging cameras: QSI 683 wsg8

Mounts: Paramount MyT

Guiding telescopes or lenses: Takahashi FSQ-106EDXIII

Guiding cameras: Lodestar X2

Focal reducers: Takahashi Reducer QE 0.73x F/3.6

Software: Software Bisque TheSkyX Professional  ·  Starkeeper Software Voyager  ·  CCDWare FocusMax V.4  ·  Pleiades Astrophoto PixInsight Core 1.8  ·  PHD2 Guiding

Filters: Astrodon Generation 2 Tru-Balance Luminance 31mm  ·  Astrodon Generation 2 Tru-Balance Blue 31mm  ·  Astrodon Generation 2 Tru-Balance Green 31mm  ·  Astrodon Generation 2 Tru-Balance Red 31mm

Accessory: FLI Atlas focuser


Dates:July 30, 2016July 31, 2016Aug. 5, 2016Aug. 6, 2016

Frames:
Astrodon Generation 2 Tru-Balance Blue 31mm: 15x600" -20C bin 1x1
Astrodon Generation 2 Tru-Balance Green 31mm: 16x600" -20C bin 1x1
Astrodon Generation 2 Tru-Balance Luminance 31mm: 32x600" -20C bin 1x1
Astrodon Generation 2 Tru-Balance Red 31mm: 14x600" -20C bin 1x1

Integration: 12.8 hours

Darks: ~63

Flats: ~39

Flat darks: ~71

Bias: ~301

Avg. Moon age: 14.79 days

Avg. Moon phase: 10.35%


Basic astrometry details

Astrometry.net job: 3251984

RA center: 22h 28' 31"

DEC center: +75° 9' 36"

Pixel scale: 2.855 arcsec/pixel

Orientation: 205.556 degrees

Field radius: 1.614 degrees


Resolution: 3266x2431

Locations: Monte Soro, Cesarò, Messina, Italy; Hotel Pomieri, Petralia Sottana, Palermo, Italy

Data source: Traveller

Description

LDN1251 is an elongated molecular cloud on the eastern edge of the Cepheus molecular cloud complex, an extended region containing giant molecular clouds and very young and bright blue stars associations. It is one of the closest star-forming regions to us and it appears considerably obscured, especially as regards the OB associations, by extensive dark nebulae placed along our line of sight. The comet shape of LDN1251 suggests that it is in interaction with the large super-bubble caused by the explosion of a supernova. Its distance from us has been determined in various ways and different emission lines have been detected, such as the 13CO, the SiO, NH3, HCN and others. Two small galaxies are visible in the field, PGC69472 e PGC166755, just near the edge of the cloud body, along with numerous Herbig-Haro objects, visible as small patches of nebulosity associated with newly born stars.

Image details

Telescope: FSQ-106EDX3 @f/3.6
Camera: QSI 683 wsg8
Filters: Astrodon Gen2 Tru-Balance LRGB
Mount: Paramount MyT
Integration: L:R:G:B —> 32:14:16:15 x 600s, total: 12h 50m
Data acquired in 4 nights:
July 30-31, 2016, from Starparty dalle Madonie, Italy
August 5-6, 2016, from Nebrodi mountains, Italy

Software: TheSkyX, PHD2, Voyager, PixInsight.

Comments

Author

mesone
Sebastiano Recupero
License: Attribution Creative Commons
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LDN1251, 



    
        

            Sebastiano Recupero

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