Astrograph
Astrograph
@astrograph
Estimable Member
Joined: Jun 19, 2020
Topics: 0 / Replies: 129
Topic
8 years ago
Replies: 1
Views: 63
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RE: Venus 14/4/15

Thanks guys. Andy, slow down! This is the first shot of Venus managed, I have others to process and more is becoming visible each day so I am sure we...

8 years ago
Topic
8 years ago
Replies: 5
Views: 63
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RE: Solar System Imaging - A Processing Attempt

Hey Christina, this is a good start. A few other things to try. In PIPP there is a 'Quality' tab. Try the Quality Estimation / Percentage to keep an...

8 years ago
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RE: Images from Flamsteed Observing Session in East Sutton

I have to second Mikes comments. Our first official visit to East Sutton proved a great success with excellent conditions. Having been 'required' to ...

8 years ago
Topic
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RE: Lens Diffraction and Photography

I think the info on diffraction limits is useful and interesting but at the same time over states its importance and over simplifies the factors that ...

8 years ago
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Topic
Topic
Replies: 1
Views: 68
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RE: Sunspot AR12192 Imaged in H-Alpha 22/10/14

Thanks I took a CaK images yesterday with it nearly on the limb. Try as I might I could see no proms! Given the weather I think the opportunity is n...

8 years ago
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RE: To go or not to go in the name of astronomy?

Hi Tej I read the review etc and its always nice to see some information being posted about the demands of Astrophotography compared to terrestrial. ...

8 years ago
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RE: To go or not to go in the name of astronomy?

Tej Its best to try and confirm if the lens is made for an APS sensor or a full frame. For Canon lenses EF-S Mount means for APS and EF is for Full f...

8 years ago
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RE: To go or not to go in the name of astronomy?

As I was on the site I had a look around and saw this as an example This lens is actually designed for APS sensors so the 11-18mm is actually what yo...

8 years ago
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RE: To go or not to go in the name of astronomy?

Hi Tej The Samyang lens is made for full frame sensors so is equivalent to Canons EF mount (not EF-S which is for APS sensors). it will therefore wor...

8 years ago
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