SingAstro

Orion drive in action, the battery pack was corroded so I replaced the power source with a USB power bank.

https://www.youtube.com/shorts/bwQvH_LO9XI

closed.

Note that I 3D-printed two spacers (the white strips) to increase the spacing between the two arms to fit the Mewlon (this particular fork came off a C-8).

1) Orion Sky View Pro dual-axis drive (for EQ5 / Sky View Pro / Vixen SP/GP family). Was previously used on a Vixen SP but I upgraded that to the "real" Vixen drives. $100 IMG_9384.jpg 2) Vixen Sky Sensor (original, not the SS2K) with dual black MT-1's (not same MT-1's as used in Vixen DD-...

I was planning on making a goto Alt-Az mount for my Mewlon but it’s been 3 years and I haven’t been able to get to this. All metal 1980’s Celestron fork mount for C-8/9/11 with legendary Byers gear on RA only. Extra Byers gear to motorise the DEC (these only came with a tangent arm on DEC). No elect...

WTS 2) Apogee (Andor) Alta F8300 mono camera https://www.astroshop.eu/astronomical-cameras/apogee-camera-alta-f8300-grade-s/p,53220 KAF8300 sensor (same as SBIG ST8300M) - $500 Comes with the necessary bits for 55mm back focus (e.g., so you can attach one of the common 0.8X reducer/flatteners) SMS/W...

Sold to Mr Chia. Thanks.

Hi Chia, Sorry I did see an incoming call but I didn't know who it was so didn't answer. Not yet sold although another gentleman messaged to me their interest, however I see that you had posted here first. All of the parts are Borg. The helical focuser is the 7835. The visual back is the 7509 and th...

This is likely to be cheaper because it uses the Chinese knockoff wave drives (and not the Made-in-Japan Harmonic Drive Systems drive). The Chinese knockoff drives are less than half the cost of the genuine HDS article. But seeing that all wave drives have massive periodic error (even the HDS ones),...