T70 - Samyang 135 mm @F3.5, ZWO ASI2600MM Camera, LRGB, Ha, OIII, SII Filters , Lodestar SX2
guider with ZWO 30 f/4 guidescope. Paramount ME Mount
Location Information
Observatory:Deep Sky Chile at Rio Hurtado Valley, Chile - MPC TX07
Telescope: T70 135 mm f/3.5 Samyang Lens + CMOS
Timezone: UTC -4:00 Santiago, Chile
Daylight savings time is observed
Minimum Target Elevation: Approx 0° - 23°
South 30°31'34.712" West 70°51'11.865"
Elevation: 1710m MPC X07
- link to a map: https://goo.gl/maps/
hH2Uebzyn3eCyNfP9
Operational Notes
Super-Wide Field astrophotography. LRGB, Ha, OIII, SII filters.
Raw data can be found at data.itelescope.net.
- Maximum Exposure 300 seconds.
- Bin 1, Bin 2
- calibrated darks available for 300 sec
(the ASI2600MM has very little dark current making dark calibration frames virtually redundant) - residual coma in the extreme corners can be seen
Instrument Package
CMOS: https://astronomy-imaging-camera.com/product/asi2600mm-pro-mono/ 1
6-Bit CMOS
A/D Gain: 0.75e-/ADU
Pixel Size: 3.76um Square
Resolution: 5.81 arc-secs/pixel
Sensor: CMOS IMX571
Cooling: -10C
Normal Array: 6248 (H) × 4176 (V) = 26 Mp
Filters: Astrodon Gen 2 E-Series LRGB, Ha, OIII, SII
| FOV | 9.97 Deg x 6.66 Deg |
| Pixel scale: | 5.81 arcsec/pixel |
| Orientation: | Up is 275.9 degrees E of N |
Telescope Optics
OTA: Samyang 135 mm @ F3.5
Optical Design: Camera lens
https://www.samyanglens.com/en/product/product-view.php?seq=323
Aperture: approx. 65mm
Focal Length: 129mm (actual)
F/Ratio: F3.5 (stopped down from F/2)
Guiding: ZWO 30 F/4 guidescope with Loadstar SX2
Mount: Paramount ME