Hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Great Cluster in Hercules  ·  M 13  ·  NGC 6205
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M13, 



    
        

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M13
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M13

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M13, 



    
        

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M13
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M13

Technical card

Imaging telescopes or lenses: Celestron 1100HD

Imaging cameras: SBIG ST 8300M

Guiding telescopes or lenses: Celestron 1100HD

Guiding cameras: Lodestar

Focal reducers: Celestron .7x Focal Reducer Edge f/7 reducer

Software: photoshop  ·  PHD2 Guiding  ·  Pixinsight 1.8  ·  Sequence Generator Pro

Filters: Baader Blue  ·  IR-Cut  ·  BAADER Red  ·  Green

Accessory: OAG


Dates:May 31, 2019

Frames:
Baader Blue: 45x60" -10C bin 2x2
Green: 45x60" -10C bin 2x2
IR-Cut: 45x240" -10C bin 1x1
BAADER Red: 45x60" -10C bin 2x2

Integration: 5.2 hours

Darks: ~40

Flats: ~50

Bias: ~100

Avg. Moon age: 26.57 days

Avg. Moon phase: 9.60%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 2721370

RA center: 16h 41' 38"

DEC center: +36° 26' 16"

Pixel scale: 0.565 arcsec/pixel

Orientation: 174.869 degrees

Field radius: 0.326 degrees


Resolution: 3324x2497

Locations: Hardhat Observatory, Sand Springs, None

Data source: Backyard

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M13, 



    
        

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