Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1795  ·  IC 1805  ·  NGC 896
Getting plate-solving status, please wait...
IC1805 The Heart Nebula, with open star cluster Melotte 15 inside., 



    
        

            Simon Schweizer
IC1805 The Heart Nebula, with open star cluster Melotte 15 inside.
Powered byPixInsight

IC1805 The Heart Nebula, with open star cluster Melotte 15 inside.

Technical card

Imaging telescopes or lenses: William Optics Megrez 72 FD-DGG

Imaging cameras: Moravian Instruments G2-8300 with external FW

Mounts: SkyWatcher NEQ6 VTSB3

Guiding telescopes or lenses: William Optics Megrez 72 FD-DGG

Focal reducers: TeleVue 0.8x Reducer/Flattener

Software: Fitswork 4  ·  Mischa Schirmer e.a. Theli

Filters: Baader Planetarium R 50.4 mm  ·  Baader Planetarium B 50.4 mm  ·  Baader Planetarium G 50.4 mm  ·  Astrodon Hα 3 nm, 31mm

Accessory: Teleskop-Service OAG9  ·  MGEN


Dates:Oct. 4, 2014

Frames:
Baader Planetarium B 50.4 mm: 4x300" -20C
Baader Planetarium G 50.4 mm: 4x300" -20C
Astrodon Hα 3 nm, 31mm: 9x1200" -20C
Baader Planetarium R 50.4 mm: 4x300" -20C

Integration: 4.0 hours

Darks: ~10

Flats: ~12

Bias: ~30

Avg. Moon age: 10.30 days

Avg. Moon phase: 79.09%

Bortle Dark-Sky Scale: 7.00


Basic astrometry details

Astrometry.net job: 381963

RA center: 2h 33' 4"

DEC center: +61° 18' 50"

Pixel scale: 3.236 arcsec/pixel

Orientation: -92.381 degrees

Field radius: 1.703 degrees


Resolution: 620x551

Locations: Munich - Fürstenried West, Munich, Bayern, Germany

Description

Hα-(R+Hα)GB.

Unfortunately there is a quite strong tilt.
Fog arose when I recorded the blue channel, so the stars have blue halos although I refocused. A blur filter reduced the effect.

Comments

Sky plot

Sky plot

Histogram

IC1805 The Heart Nebula, with open star cluster Melotte 15 inside., 



    
        

            Simon Schweizer