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In this video we see the basic parameters that we must control in our SLR camera in order to start doing deep sky astrophotography with our telescope, we explain in detail the operation of the intervalometer, which will be essential. And finally we will see the characteristics of the focus and what a Bahtinov mask is, what it is used for and how we use it. In the part where the coma in the corners of the photos is mentioned, we must also take into account that if we use refracting telescopes we may have chromatic aberrations in the stars and vignetting in the corners of the photos. ☕Do you want to support the channel and invite me to a virtual coffee and collaborate with the welfare of abandoned animals? https://www.buymeacoffee.com/astrotiv... 💻Telescopiomania website: https://www.telescopiomania.com/ ☎Contact phone number: 972 981 972 📩Contact email: [email protected] 🤙Remember to mention that you are subscribers to the ASTROTIVISSA channel so that they can give you exclusive prices and offers. 👉My gear -EQ6R-Pro mount: https://n9.cl/fjoyl -Newton 200/800 tube: https://n9.cl/6gf1 -Mak 180 tube: https://bit.ly/2Wnw3ke -ZWO ASI 294 MM Pro monochrome camera: https://bit.ly/2WkYUpl -ZWO ASI 178 MM monochrome camera: https://bit.ly/3l6Ub55 -ASIAIR PRO: https://bit.ly/3xhfMuc -ZWO EAF electronic focuser: https://bit.ly/3rDvQoG -ZWO EFW filter wheel: https://bit.ly/3yfoavl -Baader LRGB filters: https://bit.ly/2VmgZmI -AZG-60 guiding tube: English: https://bit.ly/2VizZCe -Bresser 100W battery: https://bit.ly/2VhOHtk -Hyperion Zoom Mark IV eyepiece: https://bit.ly/3iVl5u8 -Optolong L-Enhance 2” filter: https://bit.ly/3xftQnD -Baader laser collimator: https://bit.ly/3iWS2Gj 🔴Subscribe to the channel: https://acortar.link/IZxrE You can join my social networks at: 📸Instagram: / astrotivissa 👍Facebook: / astrotivissa 📱Twitter: / astrotivissa 💻Web: https://www.astrotivissa.com/ 🍻Friend channels: Astroterrat (astrophotography): https://bit.ly/3st3xbC Varghost & Son (Gaming PS5): https://bit.ly/37Tqqxe #astrophotography