Meade ACF 10" f/10

Meade ACF 10" telescope on EQ6 mount So here it came - new kid on the block. 130mm triplet went to new happy owner, and was exchanged with this…


Temperature compensation in astroimaging setup

Precise focusing and temperature compensation in the astrophotography setup are crucial. There is a parameter called Critical Focus Zone (CFZ) that…


CMOS calibration challenge

After some time with deep sky imaging with CMOS cameras I need to say that calibration for this kind of imaging is even more important, than in CCD…


CMOS settings challenge

CMOS sensor based cameras are becoming more and more popular among both new astrophotographers but also among current CCD users. Many people in this…


AstroLink 4 mini S red

AstroLink 4 mini device

AstroLink 4 mini S device AstroLink 4 mini device is a direct successor of AstroHub 3.0. Both AstroHub and AstroLink have its origins in my first…


iOptron Smart EQ Pro - quick review

About two months ago I purchased iOptron Smart EQ Pro mount - and here is my small review. Smart EQ Pro is a tiny equatorial mount with GoTo that,…


Few nights with Celestron CGX - night I

It is pretty close to summer solstice, so plenty of time for preparing setup for night session. Day is extremely long, and night ends in no time.…


OAG vs guidescope

There are already some happy users of premium telescope mounts that do not need to use any guiding at all. But still most people who deal with…


To CMOS or not to CMOS

CMOS sensor based astronomy cameras are becoming more and more popular among astrophotography amateurs. What differs CMOS from CCD? Is this really…


Samyang 135 talks to QHY163

Last days I have been preparing my wide field astroimaging setup. There have been some changes in conception and eventually I decided to give up on…


Sky Watcher EQ6-R review

EQ6-R first time look I recently received from Delta Optical company for tests new Sky Watcher EQ6-R equatorial mount. It will be a successor of…


Samyang 135 f/2 ED UMC for fast widefields

I have already read much good about Samyang 135 f/2 lens before I decided to purchase one. Its main purpose in my field will be wide-field…