Image size with ASI224MC

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Razz United States of America
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Image size with ASI224MC

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Post by Razz »


I recently got the ZWO ASI224MC camera and wanted to try it out so the other day I went out to do some solar images. I wasn't concerned with quality as much as just getting used to the camera and software (ASI Studio). First, I used my Daystar HA scope. In the eyepiece (25mm) I can see the whole disc but the camera only shows maybe a 1/4 of the disc. I tried my SvBony (with solar filter) and thru the eyepiece (32mm) I get most of the disc but again, with the camera I only get maybe a 1/4 of it, as if I put in a higher mag eyepiece. My question is: Is there something I can do about that? I did a little reading and, if I understand it correctly, a focal reducer gives a wider field of view. Would that work?
Telescopes: SvBony SV503 80mm, Apertura AD10, Daystar SS60DS,Bresser AR-127s, 6" GSO Ritchey-Chretien Astrograph
Mounts: Skywatcher AZ-GTe, EQ6-R Pro
EPs: Baader Q turret with 32mm Classic Plossl and 18mm, 10mm, 6mm Classic Orthos and Q Turret barlow 2.25x
Baader Hyperion Mark IV 8-24mm zoom, Hyperion zoom barlow 2.25x
Filters: Celestron Variable Polarizing, SvBony F9131A UHC, Baader O III 10nm, Classic Lumicon O III, homemade solar filter with Baader OD 5.0 film, Optolong UV/IR cut
Cameras: Canon EOS Rebel T3i, ASI 224 mc
Guiding: iOptron iGuider 30mm scope/camera
Binoculars: Celestron Upclose G2 10x50

Bill
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JayTee United States of America
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Re: Image size with ASI224MC

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Post by JayTee »


First off, this site is very useful.

https://astronomy.tools/calculators/field_of_view/


Also here is what it predicts as to what you should see with your gear.
Attachments
Daystar Sun.jpg
∞ Primary Scopes: #1: Celestron CPC1100 #2: 8" f/7.5 Dob #3: CR150HD f/8 6" frac
∞ AP Scopes: #1: TPO 6" f/9 RC #2: ES 102 f/7 APO #3: ES 80mm f/6 APO
∞ G&G Scopes: #1: Meade 102mm f/7.8 #2: Bresser 102mm f/4.5
∞ Guide Scopes: 70 & 80mm fracs -- The El Cheapo Bros.
∞ Mounts: iOptron CEM70AG, SW EQ6R, Celestron AVX, SLT & GT (Alt-Az), Meade DS2000
∞ Cameras: #1: ZWO ASI294MC Pro #2: 662MC #3: 120MC, Canon T3i, Orion SSAG, WYZE Cam3
∞ Binos: 10X50,11X70,15X70, 25X100 ∞ AP Gear: ZWO EAF and mini EFW and the Optolong L-eXteme filter
∞ EPs: ES 2": 21mm 100° & 30mm 82° Pentax XW: 7, 10, 14, & 20mm 70°

Searching the skies since 1966. "I never met a scope I didn't want to keep."

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Razz United States of America
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Re: Image size with ASI224MC

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Post by Razz »


Thanks. I knew about that site but I always forget about it.
Telescopes: SvBony SV503 80mm, Apertura AD10, Daystar SS60DS,Bresser AR-127s, 6" GSO Ritchey-Chretien Astrograph
Mounts: Skywatcher AZ-GTe, EQ6-R Pro
EPs: Baader Q turret with 32mm Classic Plossl and 18mm, 10mm, 6mm Classic Orthos and Q Turret barlow 2.25x
Baader Hyperion Mark IV 8-24mm zoom, Hyperion zoom barlow 2.25x
Filters: Celestron Variable Polarizing, SvBony F9131A UHC, Baader O III 10nm, Classic Lumicon O III, homemade solar filter with Baader OD 5.0 film, Optolong UV/IR cut
Cameras: Canon EOS Rebel T3i, ASI 224 mc
Guiding: iOptron iGuider 30mm scope/camera
Binoculars: Celestron Upclose G2 10x50

Bill
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